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Daniel J Smith Custom TMUA Set A Paper 1 · Q12

Paper 1Geometry

The interior angle of a regular polygon with nn sides exceeds the interior angle of a regular polygon with mm sides by exactly 18∘18^\circ

How many ordered pairs of integers (n,m)(n,m) with n≥3n\geq3 and m≥3m\geq3 satisfy this condition?

A00
B11
C22
D33
E77
Finfinitely many

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